Engine cooler



A. P. CLARK ENGINE COOLER Filed Sept. 26. 1923 AU. (747v? ARCHIE I.CLARK, or oxanaean CENTER, BRITISH COLUMBIA, CANADA.

ENGINE COOLER.

Application filed September 26, 1923. Serial No. 664,878.

To all whom it may concern Be it known that I, ARCHIE P. CLARK, citizenof the United States, residing at Okanagan Center, in the Province ofBritish Columbia and Dominionv of Canada, have invented certain new anduseful Improvements in Engine Coolers, of which the following is aspecification.

This invention relates to certain new and useful improvements in coolingdevices for multiple cylinder internal combustion engines and hasparticular reference to air cooling devices for engines of this kind.

The primary object of the invention is to provide an air cooling devicefor the cylinders of multiple cylinder internal combustion engines, bymeans of which said cylinders may be efficiently cooled, and whichembodies the desired qualities of simplicity and durability ofconstruction, so that the device may meet with the requirement for asuccessful commercial use.

4 Another object of the invention is to provide a construction whichrepresents a slight modification of the commonly employed water cooledinternal combustion engine and by means of which the cooling system ismaterially simplified.

Other objcet-s will appear as the nature of the invention is betterunderstood and the same consists in the novel form, combination andarrangement of parts hereinafter more fully described, shown in theaccompanying drawing and claimed:

The view is a side elevational view of a multiple cylinder internalcombustion engine equipped with an air cooling device constructed inaccordance with the present invention.

Referring more in detail to the drawings, 5 indicates an ordinarymultiple cylinder internal combustion engine employed as the diaphragmof a motor vehicle and in ordinary practice, these engines are providedwith double walled cylinders so that a jacket is provided about eachcylinder with the several jackets in communication with an outlet 6.

In accordance with the present invention, the several jackets of theengine cylinder are usually supplied with air through a manifold 7,communicating with the tops of the jackets of the cylinders as shownclearly in the drawings, the lower ends of said jackets being each incommunication with. the outlet 6, and said outlet being in the form of amanifold which extends rear- .wardly and is open at its rear end as at8.

A suitable fan blower 9 is substituted for the cooling fan at theforward end of the engine, the same being suitably mounted upon thebracket 10 and the impeller of this blower is driven by the usual belt11 passing around a pulley fixed upon the shaft of the impeller of theblower 9 and around the pulley 12 on the forwardly projecting ends ofthe shaft 13 of the motor. The side outlet of the blower 9 is connectedto the manifold 7, and this blower is provided with a front intake as at14.

In order to more efliciently cool the cylinders of the engine, a branchpipe 15 has its forward end in communication with the forward portion ofthe manifold 7 and extends rearwardly above and in close proximity tothe top of the engine, suitable perforations being provided as at 16 inthe branch outlet 15 above each cylinder so as to permit a blast of airto be directed onto the latter.

In operation, the impeller of the blower 9 is rotated as soon as theengine is started for throwing a continuous supply of air into theintake 14, and this air is forced by the blower through the manifold 7into the jacket of each of the cylinders. When this air has served itscooling function and passes out of the jacket into the manifold 6 whereit is exhausted at the rear of the engine at the open end 8. A portionof the air supplied to the manifold 6 Will pass through the branchoutlet pipe 15 and be sprayed onto the'top of the engine through theopening 16 for additional, cooling purposes.

' A cooling device constructed in accordance with the above will befound extremely eflioient, will render the use of a water radiatorunnecessary, and will not interfere with ready access to the engine forrepair.

Minor changes may be made without departing from the spirit and scope ofthe invention as claimed.

What I claim as new is: v

The combination with a multiple cylinder internal combustion engine of amotor vehicle, having the cylinders of the engine provided with jacketsthrough which a cooling fluid may circulate, a manifold communicatingwith the tops of the jackets of all of said cylinders, a fan blowerrigidly supported at the front end-of the engine end hevin an outletcommunicating with 'eeid fen blower being proeeid mani old vided with nfront intake, means for teciliteting operation of the blower h the 6gine an outlet. manifold exten i Werdly of the engine and commnmceting-with the bottoms of eeid jackets, end e .hrench outlet pipe beingformed on the first Q mentioned menifold and q extending reorwardly endlongitudinelly of end eloove the the upper portions of the cylinderswnere excesewe tent s genereted.

In testimony whereof ll efix my signetnne,

; AllWHlIE 1P,

on the tops of the cyl- .inder's for providing ndditionel coolin of

